Update agent.py

agent.py

@@ -117,14 +117,13 @@ class LangGraphAgent:
         print(f"Running LangGraphAgent with input: {question[:200]}...")
         result = gaia_agent.invoke(input_state, {"recursion_limit": 30})  # prevents infinite looping when the LLM keeps calling tools over and over
         
-        content_list = result["messages"][-1].content   # extract content list from the last message
-        if isinstance(content, list):
-            # multimodal list: pull only the text parts
-            texts = [obj["text"] for obj in content if isinstance(obj, dict) and obj.get("type") == "text"]
-            final_response = "\n".join(texts).strip()
-        else:
-            # plain string fallback
-            final_response = str(content).strip()
+        content_message = result["messages"][-1].content   # extract content from the last message
+        texts = [
+            obj["text"]
+            for obj in content_message
+            if isinstance(obj, dict) and obj.get("type") == "text"
+        ]
+        final_response = "\n".join(texts).strip()  # join and clean
         
         try:
             return final_response.split("FINAL ANSWER:")[-1].strip()  #  parse out only what's after "FINAL ANSWER:"